[IR] Dump IdSignatures and mangled names in irText tests

The reason #1 for this feature is that we want to test IdSignatures
generated for declarations. Currently, there is no (easy) way to ensure
that a change in the signature building logic doesn't cause any breaking
changes wrt klibs.

Now, most IdSignatures include hashed mangled names in them, so even if
we catch a regression where the included hash changes, there would be no
way of knowing immediately what caused it, unless we'd also have mangled
names in the expectations.

The reason #2 is to test the manglers themselves. Currently, there are
no tests for them. They heavily duplicate each other, this is already
causing issues (see KT-57427) that would be very hard to catch without
these tests.

^KT-58238 Fixed

compiler/testData/ir/irText/expressions/callableReferences/importedFromObject.sig.kt.txt

@@ -0,0 +1,81 @@
+package test
+
+// CHECK:
+//   Mangled name: test{}test1
+//   Public signature: test/test1|6005685442305498193[0]
+val test1: KProperty0<String>
+  // CHECK JVM_IR:
+  //   Mangled name: test#<get-test1>(){}kotlin.reflect.KProperty0<kotlin.String>
+  //   Public signature: test/test1.<get-test1>|-8479602068466013638[0]
+  // CHECK JS_IR NATIVE:
+  //   Mangled name: test#<get-test1>(){}
+  //   Public signature: test/test1.<get-test1>|-5735092642142423279[0]
+  get
+
+// CHECK:
+//   Mangled name: test{}test1a
+//   Public signature: test/test1a|-8868958804106173806[0]
+val test1a: KProperty0<String>
+  // CHECK JVM_IR:
+  //   Mangled name: test#<get-test1a>(){}kotlin.reflect.KProperty0<kotlin.String>
+  //   Public signature: test/test1a.<get-test1a>|-8261804722444217546[0]
+  // CHECK JS_IR NATIVE:
+  //   Mangled name: test#<get-test1a>(){}
+  //   Public signature: test/test1a.<get-test1a>|-4215972589981113049[0]
+  get
+
+// CHECK:
+//   Mangled name: test{}test2
+//   Public signature: test/test2|2517758057000911509[0]
+val test2: KFunction0<String>
+  // CHECK JVM_IR:
+  //   Mangled name: test#<get-test2>(){}kotlin.reflect.KFunction0<kotlin.String>
+  //   Public signature: test/test2.<get-test2>|1526537700116765606[0]
+  // CHECK JS_IR NATIVE:
+  //   Mangled name: test#<get-test2>(){}
+  //   Public signature: test/test2.<get-test2>|-5218942532816206869[0]
+  get
+
+// CHECK:
+//   Mangled name: test{}test2a
+//   Public signature: test/test2a|-1407081977148194425[0]
+val test2a: KFunction0<String>
+  // CHECK JVM_IR:
+  //   Mangled name: test#<get-test2a>(){}kotlin.reflect.KFunction0<kotlin.String>
+  //   Public signature: test/test2a.<get-test2a>|-1352924861862764837[0]
+  // CHECK JS_IR NATIVE:
+  //   Mangled name: test#<get-test2a>(){}
+  //   Public signature: test/test2a.<get-test2a>|7164864074197438240[0]
+  get
+
+// CHECK:
+//   Mangled name: test.Foo
+//   Public signature: test/Foo|null[0]
+object Foo {
+  // CHECK:
+  //   Mangled name: test.Foo{}a
+  //   Public signature: test/Foo.a|-1200697420457237799[0]
+  val a: String
+    // CHECK JVM_IR:
+    //   Mangled name: test.Foo#<get-a>(){}kotlin.String
+    //   Public signature: test/Foo.a.<get-a>|-6318309956076983327[0]
+    // CHECK JS_IR NATIVE:
+    //   Mangled name: test.Foo#<get-a>(){}
+    //   Public signature: test/Foo.a.<get-a>|6785176174175479410[0]
+    get
+
+  // CHECK:
+  //   Mangled name: test.Foo#<init>(){}
+  //   Public signature: test/Foo.<init>|-5645683436151566731[0]
+  private constructor() /* primary */
+
+  // CHECK JVM_IR:
+  //   Mangled name: test.Foo#foo(){}kotlin.String
+  //   Public signature: test/Foo.foo|485335955883620819[0]
+  // CHECK JS_IR NATIVE:
+  //   Mangled name: test.Foo#foo(){}
+  //   Public signature: test/Foo.foo|-1041209573719867811[0]
+  fun foo(): String
+
+}
+